# Service difficulty reports: Continental TSIO-520-WB

A list on [Continental TSIO-520-WB](https://openairdocs.org/engine/continental-tsio-520-wb.md).

Newest first. General aviation reporting is voluntary.

- [SDR FAA20140220000089](https://openairdocs.org/sdr/FAA20140220000089.md): Pump · inoperative · Feb 4, 2014 · N58LP · Beech 58P · Pneumatic Distribution System
  > RIGHT INSTRUMENT AIR PUMP FAILED.
- [SDR FAA20140220000090](https://openairdocs.org/sdr/FAA20140220000090.md): Pump · inoperative · Feb 4, 2014 · N58LP · Beech 58P · Pneumatic Distribution System
  > LEFT INSTRUMENT AIR PUMP FAILED.
- [SDR 2014FA0000059](https://openairdocs.org/sdr/2014FA0000059.md): Pump · inoperative · Jan 15, 2014 · N58LP · Beech 58P · Independent Instruments
  > DURING AN ANNUAL INSPECTION, FOUND LEFT INSTRUMENT AIR PUMP INOPERATIVE. REMOVED PUMP, FOUND DRIVE COUPLING SHEARED. FOUND PUMP VANE DEBRIS IN PRESSURE SIDE AIR HOSE. SINCE O/H, ALL FILTERS WERE REPLACED WITH NEW WHEN PUMP WAS INSTALLED.
- [SDR 2014FA0000060](https://openairdocs.org/sdr/2014FA0000060.md): Pump · low pressure · Jan 15, 2014 · N58LP · Beech 58P · Fuel Boost Pump
  > OWNER REPORTED LT FUEL PRESSURE WAS LOW WHEN OPERATING BOOST PUMP. TESTED FUEL PRESSURE, FOUND PRESSURE LOW. PUMP REMOVED. FUEL SYS COMPONENTS WERE INSPECTED AND NO EVIDENCE OF DEBRIS OR CONTAMINATION WAS FOUND.
- [SDR 2014FA0000061](https://openairdocs.org/sdr/2014FA0000061.md): Cylinder · low pressure · Jan 15, 2014 · N58LP · Beech 58P · Reciprocating Engine Cylinder Section
  > DURING ANNUAL INSPECTION, PERFORMED A DIFFERENTIAL COMPRESSION CHECK. FOUND NR 6 CYLINDER COMPRESSION 32 PSI/80 PSI. COMPRESSION LEAK PAST EXHAUST VALVE. REMOVED CYLINDER ASSY AND SENT TO MFG FOR REPAIRS.
- [SDR 2012FA0000812](https://openairdocs.org/sdr/2012FA0000812.md): Cylinder · cracked · Dec 8, 2012 · N53MT · Beech 58P · Reciprocating Engine Cylinder Section
  > DURING ROUTINE MX, FUEL STAINING WAS FOUND ON THE NR 5 CYLINDER HEAD. FURTHER INSPECTION FOUND A SMALL CRACK APPROX.6250". CYLINDER WAS REMOVED AND SENT FOR INSPECTION. OVERHAULED CYLINDER WAS INSTALLED.
- [SDR 2012FA0000102](https://openairdocs.org/sdr/2012FA0000102.md): Cylinder · cracked · Feb 9, 2012 · N58TB · Beech 58P · Reciprocating Engine Cylinder Section
  > LT ENGINE CYLINDER FOUND TO BE CRACKED AT FUEL INJECTOR NOZZLE HOLE. NEW CYLINDERS WERE INSTALLED AT ENGINE O/H.
- [SDR 2010FA0000207](https://openairdocs.org/sdr/2010FA0000207.md): Distributor Blk · loose · Feb 16, 2010 · N491WM · Beech 58P · Magneto/Distributor
  > CUSTOMER HAD INTERMITTENT ROUGH ENGINE THAT FINALLY HAD FAILED MAGNETO. DISASSEMBLED & FOUND DISTRIBUTOR GEAR AXEL WAS LOOSE IN BLOCK AND TOWER CONTACTS WERE GROUND OFF. REPLACED DISTRIBUTOR BLOCK AND LARGE GEAR. MAGNETO WAS O/H 250 PRIOR ON 11-1-2004.
- [SDR HYIA67886](https://openairdocs.org/sdr/HYIA67886.md): Circuit Breaker · inoperative · Mar 24, 2009 · N67886 · Cessna 402C · Landing Gear System Wiring
  > PILOT DID NOT HAVE THREE DOWN AND LOCK GREEN LIGHTS. MX INSPECTED AIRCRAFT FOUND BAD C/B AND ONE BAD BULB ON INDICATOR. MX REPLACED C/B AND BULB. PERFORMED REQUIRED INSPECTIONS AND OPERATIONAL CHECKS AND RETURNED ACFT TO SERVICE.
- [SDR 2009FA0000289](https://openairdocs.org/sdr/2009FA0000289.md): Cylinder · cracked · Mar 16, 2009 · N6408Q · Beech 58P · Reciprocating Engine Cylinder Section
  > FOUND (2) ECI CYLINDERS CRACKED ARE CRACKED BETWEEN THE 17TH AND 18TH FIN AS LOOKING AT CYLINDER INSTALLED FROM THE BARREL TO THE HEAD. IN THE EXHAUST CHAMBER AREA. FOUND BY DOING COMPRESSION. LET ENGINE COOL OFF AND SOAP LEAK TEST. REMOVED THE REMAINING C
- [SDR 2008FA0000261](https://openairdocs.org/sdr/2008FA0000261.md): Bushing · broken · Mar 17, 2008 · Reciprocating Engine Power Section
  > RECEIVED ENGINE IN AFTER 32.2 HOURS SINCE MAJOR OVERHAUL. ENGINE WAS DAMAGED BY COUNTERWEIGHT FAILURE ON CRANKSHAFT. DAMAGED TO THE CRANKCASE, CYLINDERS AND ROD WAS FROM WHAT APPEARED TO BE A BROKEN COUNTERWEIGHT PIN OR FAILURE OF THE COUNTERWEIGHT BUSHING.
- [SDR 2005FA0001480](https://openairdocs.org/sdr/2005FA0001480.md): Clamp · loose · Oct 18, 2005 · N6677L · Beech 58P · Pneumatic Distribution System
  > IN CRUISE FLIGHT, 2500 RPM, 35 HG, PILOT NOTED L/ENGINE LOST POWER. PILOT FEATHERED PROPELLER AND POWERED ENGINE. MAINT NOTED INTERCOOLER DUCT, PN 102-389003-3 LOOSE AT DUCT SERV CLAMP WAS LOOSE, DUCT WAS PARTIALLY DETACHED. REPLACED DUCT, RUNUP OK. (K)
- [SDR 2003FA0000972](https://openairdocs.org/sdr/2003FA0000972.md): Crossover Tube · chafed · Aug 22, 2003 · N153Z · Beech 58P · Engine Collector/Tailpipe/Nozzle
  > DURING A PHASE INSPECTION, THE LEFT CROSSOVER TUBE WAS POUND CHAFED BY THE ENGINE MOUNT TRUSS (PN 102-910026-131). THE CHAFING WAS APPROXIMATELY HALFWAY THROUGH THE WALL THICKNESS. WE HAVE A SPECIAL INSPECTION TO CHECK THE HEATSHIELD FOR CHATING IN THIS SAME
- [SDR CA030903007](https://openairdocs.org/sdr/CA030903007.md): Valve · leaking · Aug 12, 2003 · Beech 58P · Engine Fuel Distribution
  > (CAN) PN 6524323A1M (FLOW DIVIDED) LEAKING FUEL AFTER ENGINE SHUT DOWN/NEW PART INSTALLED.
- [SDR 2002FA0001348](https://openairdocs.org/sdr/2002FA0001348.md): Magneto · lack of lube · Nov 26, 2002 · N112RS · Beech 58P · Magneto/Distributor
  > ELECTROSYSTEMS DISTRIBUTOR BLOCK FAILED ON TAKEOFF ROLL APPROXIMATELY 10 HOURS AFTER INSTALLATION. IT APPEARS THAT THE OIL LIGHT BEARING THAT THE ROTOR SHAFT RIDES IN WAS NOT PROPERLY OIL BEFORE INSTALLATION. THE PART WAS INSTALLED IN THE LEFT MAGNETO ON THE L
- [SDR DP02002F00000](https://openairdocs.org/sdr/DP02002F00000.md): Control Unit · failed · Sep 4, 2002 · N146Z · Beech 58P · Power Lever
  > NEW ENGINE INSTALLED FROM FACTORY. ENGINE DRIVER PUMP PRESSURES ADJUSTED IAW MFG MM. ENGINE FUEL FLOWS WOULD NOT REACH SPECIFIED VALUE OF 32.4 TO 34.1 GPH. IAW SD. ENGINE CHT AND TLT HOT. MFG RECOMMEDED INCREASING UNMETERED PRESSURE 5 PSI BEYOND THEIR PUBL
- [SDR 2002FA0000456](https://openairdocs.org/sdr/2002FA0000456.md): Adapter · failed · Apr 8, 2002 · Beech 58P · Engine Starter
  > PILOT REPORTED ENGINE WOULD NOT START. FOUND THAT PROP WOULD NOT TURN BACKWARDS. REPLACED STARTER ADAPTER WITH A REBUILT AND OPS CHECKED OK. THIS IS THE SECOND ADAPTER REPLACED ON THIS ENGINE. THE FIRST ONE FAILED ON A FACTORY REBUILT/ZERO TIME ENGINE WITH 40
- [SDR 20000828SH023](https://openairdocs.org/sdr/20000828SH023.md): Line · misaligned · Jul 22, 2000 · N163Z · Beech 58P · Vacuum Distribution System
  > PILOT WAS UNABLE TO OBTAIN FULL RICH FUEL MIXTURE ON LEFT ENGINE. UPON INSPECTION BY MAINTENANCE, THE MIXTURE CONTROLLER LINKAGE WAS FOUND OBSTRUCTED FROM REACHING FULL TRAVEL BY THE DRY AIR PUMP PRESSURE AIR LINE. THE PRESSURE AIR LINE WAS CORRECTLY ROUTED
- [SDR 20001031SH018](https://openairdocs.org/sdr/20001031SH018.md): Injector · leaking · May 19, 2000 · N144Z · Beech 58P · Fuel Injector Nozzle
  > WHILE IN-FLIGHT, A FUEL SMELL ENTERED THE CABIN. FUEL WAS LEAKING AT ALL 6 INJECTORS BETWEEN PIPE THREADS AND CYLINDER. ALL INJECTORS WERE SEALED PER CONTINENTAL SM. NEXT FLIGHT STILL LEAKING. INJECTORS RESEALED WITH LOCTITE 569 PER CONTINENTAL. (X)
- [SDR 97ZZZX3745](https://openairdocs.org/sdr/97ZZZX3745.md): Separator Tank · leak · Jul 31, 1997 · N6742X · Beech 58P · Reciprocating Engine Oil System
  > WHILE TROUBLESHOOTING AN OIL LEAK, SUBMITTER FOUND AIR OIL SEPARATOR TANK CRACKED AROUND THE INLET TUBE COMING FROM THE TURBOCHARGER. TWO CRACKS WERE RUNNING PARALLEL ALMOST 350 DEGREES AROUND THE TUBE. CRACKS HAD BEEN MASKED BECAUSE SOMEONE PREVIOUSLY COVER
- [SDR 97ZZZX3419](https://openairdocs.org/sdr/97ZZZX3419.md): Valve · wrong part · Jul 21, 1997 · N68BB · Beech 58P · Reciprocating Engine Cylinder Section
  > DURING AN ANNUAL INSPECTION, FOUND LEAKING EXHAUST VALVES ON NR 2, NR 4, AND NR 6 CYLINDERS, ON LT ENGINE. SINCE TOTAL TIME OF THIS ENGINE WAS ONLY 177.3 HOURS SINCE REBUILT, THE CUSTOMER DECIDED TO REMOVE ALL CYL'S FOR INSP AND/OR REPAIR. CYL'S DISASSEMBLED
- [SDR 97ZZZX785](https://openairdocs.org/sdr/97ZZZX785.md): Cover Assy · leak · Feb 3, 1997 · N6669X · Beech 58TC · Reciprocating Engine Oil System
  > THE COVER TO OIL PUMP IS SEALED WITH GASKET CEMENT (FORM-A-GASKET PERMATEX) AND A NR 50 SILK THREAD. THE COVER WAS NOT PROPERLY INSTALLED AND TORQUED CAUSING IT TO LEAK OIL WHEN THE SEAL FAILED AFTER A TWO HOUR FLIGHT HAD LEAKED 3 QTS OIL.
- [SDR 96ZZZX3702](https://openairdocs.org/sdr/96ZZZX3702.md): Filter · defective · Jul 3, 1996 · N6648K · Beech 58P · Reciprocating Engine Oil System
  > OIL FILTER CUT OPEN AT OIL CHANGE. NOTICED INSIDE GASKET WAS CUT AND SLIGHTLY MISALIGNED. CLOSER LOOK REVEALED METAL PORTION WAS CUT APPROXIMATELY ONE INCH AND ONE INCH SLIVER ABOUT.0625 INCH THICK WAS STICKING INTO OIL OUTLET PATH. HAD THIS SLIVER COME LO
- [SDR 96ZZZX681](https://openairdocs.org/sdr/96ZZZX681.md): Starter Adapter · failed · Jan 10, 1996 · N18FF · Beech 58P · Reciprocating Engine Rear Section
  > LOST OIL PRESSURE ON LT ENGINE DUE TO LOSS OF OIL VIA BROKEN STARTER ADAPTER. AIR CONDITIONER DRIVEN PULLEY AND DRIVE SHAFT HAD BROKEN LOOSE FROM STARTER/ADAPTER ALLOWING OIL TO ESCAPE OUT DRIVE AREA. WRONG TYPE BELT INSTALLED FOR THE TYPE DRIVE PULLEYS USED
- [SDR 95ZZZX4060](https://openairdocs.org/sdr/95ZZZX4060.md): Servo · diaphragm torn · Jun 15, 1995 · N3807T · Beech 58P · Fuel Controlling System
  > DURING CRUISE, RT MAG INTERMITTENT. AT 14,000 FEET ALTITUDE, FUEL VENTING OUT OF LT ENGINE INBOARD UPPER COWL VENT. FOUND FUEL SERVO DIAPHRAGM TORN ALLOWING FUEL INTO AIR SIDE. FUEL VENTED OUT MAG FILTER AND INTO MAG CAUSING MISFIRE.
- [SDR 95ZZZX5945](https://openairdocs.org/sdr/95ZZZX5945.md): Rings · seized · May 10, 1995 · N6685D · Beech 58P · Reciprocating Engine Cylinder Section
  > THE OPERATOR REPORTED EXCESSIVE OIL CONSUMPTION. COMPRESSION ON CYLINDERS 2, 4, AND 6 WAS BELOW MINIMUMS WITH BLOWBY BY PISTON RINGS. DISASSEMBLY REVEALED THE RINGS ON ALL THREE PISTIONS WERE SEIZED DUE TO CARBON BUILD-UP. THE ENGINE HAS BEEN SERVICED WITH
- [SDR 95ZZZX1878](https://openairdocs.org/sdr/95ZZZX1878.md): Crankcase · defective · Mar 28, 1995 · Reciprocating Engine Power Section
  > IN COMPLYING WITH SB M92-09 DURING ASSEMBLY USING NEW 12-POINT NUT PN 652541 AND TORQUE OF 790-810 INCHES/POUNDS, ENGINE FAILED TO TURN WHEN FULL TORQUE WAS REACHED. UPON DISASSEMBLY, MAIN BEARING BORES WERE FOUND OUT OF ROUND. SUSPECT 'SOFT' CRANKCASE.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'TSIO520WB'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/continental-tsio-520-wb/reports

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